--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-05-14T00:00:00Z dns-udp-queries-received-ipv4: 4182263884 dns-udp-queries-received-ipv6: 450954706 dns-tcp-queries-received-ipv4: 126334270 dns-tcp-queries-received-ipv6: 78083934 dns-udp-responses-sent-ipv4: 4178191884 dns-udp-responses-sent-ipv6: 450915485 dns-tcp-responses-sent-ipv4: 128384585 dns-tcp-responses-sent-ipv6: 79743540